Those two are the muscular system and the excretory system because you use your muscles to push up and down and your excretory system produces the sweat you use while doing them
Answer:
A repeated-measures design
Explanation:
This is a research design that is used to measure the same variables repeatedly on the same sample or subject over a given time frame or over different time periods and/or under various conditions.
Strep throat has all the symptoms listed above.
